Redeemable Preferred Stock - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended	9 Months Ended
	Jul. 11, 2013	Sep. 28, 2013	Sep. 28, 2013
Redeemable Preferred Share [Line Items]
Preferred stock redemption percentage	50.00%
Preferred stock redemption value	$ 216,200,000
Preferred stock liquidation preference value	203,400,000
Preferred stock redemption premium	12,200,000	12,200,000	12,200,000
Preferred stock redemption premium	6.00%
Accrued dividend	600,000
Preferred stock dividend		22,333,000	22,333,000
Difference between liquidation preference and carrying value of the preferred stock		$ 10,200,000	$ 10,200,000
Preferred stock percentage, convertible			50.00%
Percentage of common stock to be granted to existing preferred shareholders upon conversion		5.00%	5.00%